CN203846622U - Building anchor bolt - Google Patents
Building anchor bolt Download PDFInfo
- Publication number
- CN203846622U CN203846622U CN201420278028.7U CN201420278028U CN203846622U CN 203846622 U CN203846622 U CN 203846622U CN 201420278028 U CN201420278028 U CN 201420278028U CN 203846622 U CN203846622 U CN 203846622U
- Authority
- CN
- China
- Prior art keywords
- anchor bolt
- screw
- top cover
- thermal resistance
- building anchor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a building anchor bolt which comprises an anchor bolt base and a screw. The anchor bolt base comprises a top cover and a bolt body connected with the top cover. The lower portion of the bolt body is provided with an expansion groove. The building anchor bolt is characterized by further comprising a heat-resisting cap used for covering the screw, so that transmission of heat energy of the screw is eradicated, and the effect of a heat insulating layer is better; moreover, the length of the expansion groove is increased, and the expansion groove is designed to be of a sawtooth shape, so that the stress area between the bolt body and a wall is enlarged, the pulling force is increased, the number of heat preservation nails in use is reduced, and damage to a heat insulating board is lowered because the unit number of the heat preservation nails is reduced; meanwhile, since the screw is designed to be a plum-blossom-shaped twisting screw cap, the situation that a bonding layer is damaged due to vibration as a result of hammering of the heat preservation nails by workers during construction operation is avoided.
Description
Technical field
The utility model relates to a kind of building insulating layer fastening devices, relates in particular to a kind of building anchor bolt.
Background technology
Modern architecture industry generally all can be done insulation to building and process in the time that construction is built a house; between inner wall and exterior wall, add insulation layer; one can ensure that interior temperature maintains in an OK range in the time of season, environmental change like this; do not have discomfort inhabitation impression cold in winter and hot in summer; can avoid again utilizing the method for the manual adjustment interior temperatures such as air-conditioning to cause energy waste, be conducive to environmental protection.
But, building insulating layer fixing means of the prior art has defect in various degree, existing insulation layer fixedly mainly contain following two kinds of methods: one is that insulation layer is directly bonded on base material with adhesive, but this method is very unstable, it is not firm to cohere, cohere for a long time the easy problem that comes off, and the very inapplicable adhesive of some insulation layer material, also having one is after insulation layer is fixed on basic unit, install fastening devices additional to again this insulation layer, such as the anchoring of expanding with expansible plug, but in nail riveting process, the vibrations that produce because of hammering easily cause body of wall to destroy, affect adhesive effect, more difficult and body of wall seals, easily cause seepage, body of wall is caused serious harm.
At present when for exterior-wall heat insulation, can not well stop heat bridge effect for the fixing expansion anchor of insulation layer, this expansion anchor does not have thermal resistance design easily to cause heat loss, make insulation layer lose heat insulation function, and existing anchoring piece anchored force is less than normal, in Construction of High-rise, exist use amount too much, when temperature is on the low side, expander is fragile, causes bed knife to reduce, cause and come off, in work progress, generally destroy adhesive linkage adhesive effect by hammering mode.These are all the weak points of existing expansion anchor.
Utility model content
The utility model is mainly in order to solve prior art heat bridge effect that bar for line causes, hammering generation vibration to adhesive linkage destruction, because of the too much problem of negative blast high-rise building insulation nail consumption.
In order to solve above existing issue, the technological means that the utility model mainly adopts is: a kind of building anchor bolt, formed by crab-bolt matrix and screw, the key that described crab-bolt matrix comprises top cover and is connected with this top cover, in described key bottom, expansion slot is set, it is characterized in that, also comprise the thermal resistance block for covering described screw.
Described thermal resistance block is fastened on top cover or described thermal resistance block is fastened on the nut of described screw.
Thermal resistance block hole is set on described top cover, and described thermal resistance block arranges connecting band, and the other end of connecting band is arranged on key through the thermal resistance block hole on top cover, or the bottom surface of top cover.
Thermal resistance block hole is set on described top cover, and described thermal resistance block arranges connecting band, and the other end of connecting band is arranged on described top cover.
The length of described expansion slot is at least greater than 5CM.
Described expansion slot is zigzag setting.
The nut of described screw head is the setting of hexagonal blossom type.
Described key surface arranges decorative pattern.
The beneficial effect that the utility model reaches is: the utility model building anchor bolt special design is useful on the thermal resistance block that covers described screw, this thermal resistance block is conducive to heat-insulation and heat-preservation, this is because screw is good conductor, a large amount of screw fixing in insulation layer has a significant impact for insulation tool, the thermal resistent cover cap of the outstanding design of the utility model makes screw can be enclosed in completely this crab-bolt matrix inside, be conducive to wall thermal insulating, convenient construction and reducing costs.
The length of the expansion slot of the utility model design is at least greater than 5CM, expansion slot design than prior art lengthens, and this expansion slot is to have adopted zigzag design, like this when this key is inserted in cement wall matrix, screw passes insulation layer and hammers into while fixing to this key, along with going deep into of screw, jagged expansion slot will expand by lateral expansion, this zigzag expansion slot can strengthen the width expanding, lengthen and have the lifting surface area increase of jagged expansion slot and body of wall, and the screw thread on key surface has increased force of sliding friction, make this building anchor bolt entirety increase pulling capacity, thereby reduce thermal insulation area unit's building anchor bolt consumption.
It is to adopt the design of hexagonal blossom type that the push pipe of the screw of this building anchor bolt is tightened position, and on this screw, be provided with more closely knit screw thread, cross common steel nail than prior art is more conveniently tightened, be difficult for threading off, in addition on the key of this building anchor bolt, be provided with decorative pattern, increase force of sliding friction, also can work the effect of strengthening pulling capacity simultaneously.
Brief description of the drawings
Fig. 1 is the crab-bolt matrix schematic diagram of the utility model building anchor bolt.
Fig. 2 is the crab-bolt matrix top of the utility model building anchor bolt.
Fig. 3 is that the utility model building anchor bolt uses state reference map.
Detailed description of the invention
As illustrated in figs. 1 and 2 is crab-bolt matrix and the top cover schematic diagram of the utility model building anchor bolt, this crab-bolt matrix entirety is connected and is connected setting by top cover 2 and key 4, on top cover 2, be provided with multiple through holes 5 and a thermal resistance block hole 7, be positioned at the through hole 5 at these top cover 2 centers for laying screw 8, in addition, be provided with expansion slot 3 in the bottom of key 4.The utility model emphasis improvement is that this building anchor bolt also comprises thermal resistance block 1, this thermal resistance block 1 is for covering screw 8, this thermal resistance block 1 is fastened on the through hole 5 of top cover 2 centers or this thermal resistance block 1 is directly fastened on the nut of screw 8, and screw 8 is sealed completely.This thermal resistance block 1 is provided with connecting band 6, and the other end of connecting band 6 is arranged on key 4 through thermal resistance block hole 7, or the bottom surface of top cover 2, or the other end of this connecting band 6 is set directly on top cover 2.In addition, this thermal resistance block 1 can also use separately except above integrated setting, connecting band 6 is not set, the optional set-up mode of multiple thermal resistance block 1 makes construction more convenient, particularly the thermal resistance of integrated setting block 1 is conveniently laid, be not easy to lose, more because integrated link place is U-shaped design, ingenious utilization in disc and the docile process of warming plate goes out precalculated position thermal resistance crown.
This key 4 connects with the center of top cover 2, the inside of this key 4 is hollow, be used for laying screw 8, the length of described expansion slot 3 is greater than 5CM, and this expansion slot 3 adopts zigzag design, and key 4 is seen as having torn an openning from outside, these expansion slot 3 both lateral sides are opened, make these key 4 fronts see the significantly radian to two lateral bends, the expansion slot 3 obviously lengthening has significantly increased body of wall pulling capacity, and fixed effect is better.
Fig. 2 is the schematic diagram of top cover, is uniformly distributed multiple through holes 5 on top cover 2, and the through hole 5 in the middle of this top cover 2 is used for laying screw 8, also has one compared with big hole on this external this top cover 2, is thermal resistance block hole 7.
Fig. 3 is the schematic diagram that is used in combination of the crab-bolt matrix of the utility model building anchor bolt and screw 8, the latter half of this screw 8 has screw thread, convenient rotation in key 4 deeply, the top of this screw 8 is hexagonal blossom type draw-in groove design (diagram does not show), more convenient screwing, is not easy while rotation energetically to thread off, when this screw 8 screws in after key 4 completely, thermal resistance block 1 is buckled in the central through-hole 5 of this top cover 2, this screw 8 is sealed completely.
When construction, when warming plate is pasted in place, punch a hole by the national standard requirement of layouting, until inserting in the hole, building anchor bolt is applied on warming plate, now thermal resistance cap protrudes disc because of theory of mechanics, then screw being inserted to key causes this expansion slot 3 constantly to expand to surrounding, due to the unique extension design of the utility model and there is jagged expansion slot 3 and make the contact area increasing of cement wall and this building anchor bolt, add key 4 rough surface screw threads, make this building anchor bolt entirety increase pulling capacity, make its fixed effect more excellent, make this top cover 2 cement wall of more fitting simultaneously, consolidate fixed effect.After screw 8 submerges top cover 2 centers completely, thermal resistance block 1 is anchored on the center through hole 5 of this top cover 2, make it sealing, stop the heat transfer of screw 8, so just ensure that thermal insulation separation thermosphere can give full play to heat insulation function, can be because the existence of a large amount of screws weakens the effect of insulation layer, the total number that this building anchor bolt makes because of pulling capacity increase reduces and has reduced cost, and do not avoid adhesive insulating layer firm or hammer into crab-bolt and produce the problem of vibration limits wall body structure, made insulation layer more firm.
Claims (10)
1. a building anchor bolt, is made up of crab-bolt matrix and screw, and the key that described crab-bolt matrix comprises top cover and is connected with this top cover arranges expansion slot in described key bottom, it is characterized in that, also comprises the thermal resistance block for covering described screw.
2. building anchor bolt as claimed in claim 1, is characterized in that, described thermal resistance block is fastened on top cover.
3. building anchor bolt as claimed in claim 1, is characterized in that, described thermal resistance block is fastened on the nut of described screw.
4. the building anchor bolt as described in as arbitrary in claim 1-3, it is characterized in that, thermal resistance block hole is set on described top cover, and described thermal resistance block arranges connecting band, the other end of described connecting band is arranged on described key through the described thermal resistance block hole on described top cover, or the bottom surface of described top cover.
5. the building anchor bolt as described in as arbitrary in claim 1-3, is characterized in that, thermal resistance block hole is set on described top cover, and described thermal resistance block arranges connecting band, and the other end of described connecting band is arranged on described top cover.
6. building anchor bolt as claimed in claim 4, is characterized in that, the length of described expansion slot is at least greater than 5CM.
7. building anchor bolt as claimed in claim 5, is characterized in that, the length of described expansion slot is at least greater than the half of this length of bolt shank.
8. the building anchor bolt as described in as arbitrary in claim 6-7, is characterized in that, described expansion slot is zigzag setting.
9. building anchor bolt as claimed in claim 8, is characterized in that, described screw head nut is the setting of hexagonal blossom type.
10. building anchor bolt as claimed in claim 9, is characterized in that, described key surface arranges decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278028.7U CN203846622U (en) | 2014-05-28 | 2014-05-28 | Building anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278028.7U CN203846622U (en) | 2014-05-28 | 2014-05-28 | Building anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846622U true CN203846622U (en) | 2014-09-24 |
Family
ID=51559658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420278028.7U Expired - Fee Related CN203846622U (en) | 2014-05-28 | 2014-05-28 | Building anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203846622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130697A (en) * | 2017-05-24 | 2017-09-05 | 君旺节能科技股份有限公司 | Passive type builds cold-prevention bridge crab-bolt |
| CN111456263A (en) * | 2020-05-11 | 2020-07-28 | 北京沃德瑞康科技发展有限公司 | External wall heat preservation cold bridge prevention crab-bolt subassembly |
-
2014
- 2014-05-28 CN CN201420278028.7U patent/CN203846622U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130697A (en) * | 2017-05-24 | 2017-09-05 | 君旺节能科技股份有限公司 | Passive type builds cold-prevention bridge crab-bolt |
| CN111456263A (en) * | 2020-05-11 | 2020-07-28 | 北京沃德瑞康科技发展有限公司 | External wall heat preservation cold bridge prevention crab-bolt subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20170528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |